Abstract
In this paper we deal with weighted interpolation on the real line. We show that the Hermite-Fejér interpolation process is not optimal, but the Grünwald operator is the ideal case.
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Szabó, V.E.S. Weighted Interpolation: the L∞ Theory. I. Acta Mathematica Hungarica 83, 131–159 (1999). https://doi.org/10.1023/A:1006675822213
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DOI: https://doi.org/10.1023/A:1006675822213